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06-12-2025 00:19

Viktorie Halasu Viktorie Halasu

Hello, would anyone have this article, please? An

05-12-2025 17:33

Bruno Coué Bruno Coué

Bonjour, je serais heureux de recueillir votre avi

04-12-2025 23:53

Malcolm  Greaves Malcolm Greaves

Is there an up to date Anthracobia key available?T

04-12-2025 21:30

Ethan Crenson

Hello all, I am looking for the following:  Bar

02-12-2025 18:59

Malcolm  Greaves Malcolm Greaves

This pair of ascos 2.5cm across were on recently b

03-12-2025 20:02

Buckwheat Pete

Hello everyone, does anyone know the genus Godroni

02-12-2025 19:25

Buckwheat Pete

Hello, can anyone identify this hairy fungus growi

02-12-2025 14:28

Mirek Gryc

527 / 5 000Hello everyoneThey grew on dead shoots

30-11-2025 12:53

Edvin Johannesen Edvin Johannesen

White short-stipitate apothecia found on thin twig

30-11-2025 10:47

William Slosse William Slosse

I recently found a collection of small Peziza sp.

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Asco found on Fraxinus twig
Robin Isaksson, 01-01-2022 21:17
Robin IsakssonHi!


asco react orange- brown in koh10%

Spores around 6,5-8,5x 3,5-4 um, asci 8 spored, picture spores in water.

Asci topp no rection in lugols. 

anyone knows it? 

found in Sweden

Best regrads
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Björn Sothmann, 01-01-2022 21:22
Björn Sothmann
Re : Asco found on Fraxinus twig
Hi Robin,

by chance I just came across a post on Twitter 5 minutes ago where Mark Powell showed Unguiculariopsis thallophila on Lecanora hybocarpa. This seems to match your collection rather well, in particular since your brown ascomycete seems to be on some lichen, so you might compare with it.

Björn
Robin Isaksson, 01-01-2022 21:26
Robin Isaksson
Re : Asco found on Fraxinus twig
Hi,

Yes of course, I have seen it several times before. Was completely in other thoughts.

thanks so much.

Best regards

Hans-Otto Baral, 01-01-2022 22:13
Hans-Otto Baral
Re : Asco found on Fraxinus twig
I agree. There is a wide range in the ascospore width in the literature: 6-10 x 2-4 µm.  What I studied (3 samples with drawings) has spores around 6-8 x 2.3-2.7 µm. Your spores look distinctly broader than mine, though of the same length.

More details about the hairs would helpful, they have usually narrowed and curved apices.